// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)

#pragma once

#include <spdlog/common.h>
#include <spdlog/details/null_mutex.h>
#include <spdlog/sinks/base_sink.h>
#ifdef _WIN32
#include <spdlog/details/udp_client-windows.h>
#else
#include <spdlog/details/udp_client.h>
#endif

#include <chrono>
#include <functional>
#include <mutex>
#include <string>

// Simple udp client sink
// Sends formatted log via udp

namespace spdlog {
namespace sinks {

    struct udp_sink_config
    {
        std::string server_host;
        uint16_t server_port;

        udp_sink_config(std::string host, uint16_t port) : server_host{std::move(host)}, server_port{port} {}
    };

    template <typename Mutex> class udp_sink : public spdlog::sinks::base_sink<Mutex>
    {
    public:
        // host can be hostname or ip address
        explicit udp_sink(udp_sink_config sink_config) : client_{sink_config.server_host, sink_config.server_port} {}

        ~udp_sink() override = default;

    protected:
        void sink_it_(const spdlog::details::log_msg& msg) override
        {
            spdlog::memory_buf_t formatted;
            spdlog::sinks::base_sink<Mutex>::formatter_->format(msg, formatted);
            client_.send(formatted.data(), formatted.size());
        }

        void flush_() override {}
        details::udp_client client_;
    };

    using udp_sink_mt = udp_sink<std::mutex>;
    using udp_sink_st = udp_sink<spdlog::details::null_mutex>;

}  // namespace sinks

//
// factory functions
//
template <typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> udp_logger_mt(const std::string& logger_name, sinks::udp_sink_config skin_config)
{
    return Factory::template create<sinks::udp_sink_mt>(logger_name, skin_config);
}

}  // namespace spdlog
